Top Posters
Since Sunday
G
4
K
3
m
2
c
2
r
2
p
2
s
2
s
2
b
2
c
2
R
2
c
2
Home Q & A Board Other Fields Homework Help Other
New Topic  
ppk ppk
wrote...
Go to Answer
Valued Member
On Hiatus
Posts: 3560
Rep: 58 2
12 years ago
Explain what a standard candle is and how it could be used to determine a galaxy's distance. 
Read 1959 times
1 Reply
Replies
Answer verified by a subject expert
sarah!sarah!
wrote...
#1
Top Poster
Posts: 539
Rep: 71 4
12 years ago
Sign in or Sign up in seconds to unlock everything for free
1
~Live well, laugh often, and love with all of your heart!~

Related Topics

ppk Author
wrote...

12 years ago
This helped my grade so much Perfect
smdavis
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
bioc
wrote...

2 hours ago
Correct Slight Smile TY
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  972 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 53
  
 331
  
 1567
Your Opinion
Where do you get your textbooks?
Votes: 447
Previous poll results: Which 'study break' activity do you find most distracting?